Create a firm and supportive sleeping surface for infants and toddlers with the Sealy Signature Precious Rest Waterproof Crib Mattress. For superior support and durability, this baby mattress features 120 interwoven steel coils that are heat-tempered for long-lasting strength for firmness. A full perimeter border wire provides added structure to keep the edges and corners of the mattress firm. Thick, hypoallergenic cushioning offers additional comfort and support for newborns, infants and toddlers alike. To help create a sanitary sleeping environment for baby, this mattress features a reinforced waterproof cover that easily wipes clean plus waterproof lock stitched binding to prevent moisture from seeping inside the mattress core. An airflow pocket allows the mattress to breathe, keeping it fresh without the use of small metal vents. The Sealy Precious Rest Infant and Toddler Mattress is designed to snuggly fit USA standard full-size cribs and toddler bed frames. This mattress passes safety, quality and chemical testing to ensure baby is safe and sound on a Sealy, plus the entire mattress is GREENGUARD Gold Certified for low chemical emissions to help create a healthier nursery for baby. All New Material Consisting of"100% Polyester Fiber BattingInnerspring Unit"Reg No PA 23169(NC)Certification Certification is made by the manufacturer that the materials in this article are described in accordance with law.Made by  "Made by Kolcraft Enterprises, Inc. 10832 NC Hwy 211 East Aberdeen, NC 28315(800) 453-7673"Finished Size 27 1/4 x 51 5/8 inchesNet Weight of Filling Materials: 2 lbs., 12 oz.Made in Made in USA of US and Imported Parts